Challengers file arguments in suit against California auto GHG waiver

June 23, 2022
Republican-led states and other critics are floating their initial arguments in litigation challenging EPA’s re-issued preemption waiver for California’s vehicle greenhouse gas rules, with several groups arguing the Clean Air Act’s 50-year-old process for granting such waivers is unconstitutional. Groups in the consolidated litigation Ohio, et al. v. EPA, et al. , in the U.S. Court of Appeals for the District of Columbia Circuit, are also floating several other statutory claims, including that the agency’s March decision to re-issue the...

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